Adding and Subtracting Fractions with the same Denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to have the same denominator?

Back

Having the same denominator means that the fractions are divided into the same number of equal parts.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, keep the denominator the same and subtract the numerators.

Front

What is 1/4 + 1/4?

Back

1/4 + 1/4 = 2/4 or 1/2.

Front

What is 3/4 - 1/4?

Back

3/4 - 1/4 = 2/4 or 1/2.

Front

What is 2/4 + 1/4?

Back

2/4 + 1/4 = 3/4.

Front

What is 5/8 - 3/8?

Back

5/8 - 3/8 = 2/8 or 1/4.

Front

What is 4 1/4 + 2 2/4?

Back

4 1/4 + 2 2/4 = 6 3/4.

Front

What is 4 1/4 - 2 3/4?

Back

4 1/4 - 2 3/4 = 1 1/2.